Perform the indicated operations. Write the resulting polynomial in standard form.(4x + y)2(4x - y)2
A. 256x4 - 64x2y2 + y4
B. 256x4 - 64x2y2 - y4
C. 256x4 - 32x2y2 + y4
D. 256x4 + 64x2y2 + y4
Answer: C
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Determine whether the variation between the indicated quantities is direct or inverse.The distance Daniel has driven since breakfast in miles and the distance he has driven in kilometers.
A. Inverse B. Direct
Add.- 
+ 
A. - 
B. - 1
C. 
D. 
Write the system in the form 
Then solve the linear system by computing 
with a calculator. Round numbers to the nearest tenth, as necessary.1.0x + 2.2y - 2.6z = 1.44.1x - 7.0y - 1.5z = -5.04.2x - 2.6y + 1.0z = 7.0
A. (4.6, 3.4, 3.5) B. (18.3, 13.4, 14.1) C. (9.1, 6.7, 7.0) D. (2.3, 1.7, 1.8)
Solve the problem.A salesperson has two job offers. Company A offers a weekly salary of $210 plus commission of 6% of sales. Company B offers a weekly salary of $420 plus commission of 3% of sales. What is the amount of sales above which Company A's offer is the better of the two?
A. $7000 B. $14,000 C. $7100 D. $3500